Milstein Catalyst CAS 863971-63-5

Purity 97%+In StockPharmaceutical Standards
CAS No.863971-63-5
Molecular FormulaC20H35N2OPRu
Molecular Weight451.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Milstein Catalyst CAS 863971-63-5 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Milstein Catalyst (CAS 863971-63-5) is a high-purity analytical reference standard with the molecular formula C20H35N2OPRu and a molecular weight of 451.55 g/mol.

Structurally, Milstein Catalyst (C20H35N2OPRu) contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 451.55 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), Milstein Catalyst meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H35N2OPRu
Molecular Weight451.55 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2

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